{"id":1403748,"url":"https://alion.io/job/general-dynamics-mission-systems-senior-systems-security-engineer-cleared","title":"Senior Systems Security Engineer (cleared)","company":{"id":1836162,"name":"General Dynamics Mission Systems","domain":"gdmissionsystems.com","url":"https://alion.io/company/gdmissionsystems-com","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"iCIMS","truth_index":{"grade":"A","score":100,"open_postings":3,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":10,"computed_at":"2026-10-25T05:49:26Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Scottsdale, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":142696,"max":158303,"currency":"USD","period":"year","gross":null,"usd_annual":158303},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"MBSE","optional":false}],"status":"live","first_seen_at":"2026-09-28T16:58:28Z","employer_posted_date":"2026-09-28","last_verified_at":"2026-10-25T21:04:00Z","board_verified":true,"closed_at":null,"days_open":27,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":27},"description":"Basic Qualifications\nRequires a Bachelor’s degree in Systems Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 8+ years of job-related experience, or a Master's degree plus 6 years of job-related experience. Agile experience preferred.\nCLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required.\nResponsibilities for this Position\nWe are seeking a Senior Systems Security Engineer who has experience in the design and development of NSA-certified Cybersecurity devices.\nKey Responsibilities:\nConduct trade studies, perform functional system analysis, and develop CONOPS\nAnalyze, develop and maintain functional and security requirements throughout product development lifecycle \nDevelop real-time multi-threaded Embedded System security architecture and design using Model-based Systems Engineering (MBSE) tools and techniques \nCollaborate with software and validation engineering teams to deliver Voice over IP solutions\nPreferred Skills and Experiences:\nVoice over IP\nNetworking\nNSA approved Cryptography/Encryption\nSecurity requirements analysis\nReal-Time multi-threaded Embedded System security architecture and development\nModel-based Systems Engineering (MBSE)\nCISSP certification or similar\nIdentifies opportunities to apply AI for continuous improvement and innovation\nWe value candidates who possess:\nDrive to expand knowledge and experience in designing complex systems\nAbility to define project scope, schedule, and expected results\nInitiative to complete assignments and ability to engage in technical direction and leadership\nOur Commitment to You:\nAn exciting career path with opportunities for continuous learning and development\nResearch-oriented work with award-winning teams\nCompetitive benefits package\nPlease note this position is 100% onsite in Scottsdale, AZ. This position requires an Active Secret security clearance.\nSalary Note\nThis estimate represents the typical salary range for this position based on experience and other factors (geographic location, etc.). Actual pay may vary. This job posting will remain open until the position is filled.Combined Salary Range\nUSD $142,696.00 - USD $158,303.00 /Yr.Company Overview\nGeneral Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of 12,000+ top professionals, we partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency. We offer highly competitive benefits and pride ourselves in being a great place to work with a shared sense of purpose. You will also enjoy a flexible work environment where contributions are recognized and rewarded. If who we are and what we do resonates with you, we invite you to join our high-performance team!\nEqual Opportunity Employer / Individuals with Disabilities / Protected Veterans","description_format":"text","description_chars":3343,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Continuous learning","Flexible schedule"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Military","National Security","Defense Manufacturing"],"lifecycle":[{"event":"open","at":"2026-09-28T16:58:28Z"}],"visa":[],"liveness":{"score":20,"band":"cold","label":"Long shot","p_open":1,"p_active":0.574,"p_room":0.35,"age_days":26,"expected_fill_days":10,"reasons":["conf:0","velocity","win:tail","comp:brand"],"computed_at":"2026-10-25T05:49:26Z"},"pay":{"stated_usd_annual":158303,"is_top_pay":false},"html_url":"https://alion.io/job/general-dynamics-mission-systems-senior-systems-security-engineer-cleared","json_url":"https://alion.io/job/general-dynamics-mission-systems-senior-systems-security-engineer-cleared.json","meta":{"generated_at":"2026-10-26T00:24:34Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":468,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-27T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":1836162},"rest":"https://alion.io/mcp/rest/get_company?id=1836162"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fgeneral-dynamics-mission-systems-senior-systems-security-engineer-cleared"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fgeneral-dynamics-mission-systems-senior-systems-security-engineer-cleared"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fgeneral-dynamics-mission-systems-senior-systems-security-engineer-cleared"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/general-dynamics-mission-systems-senior-systems-security-engineer-cleared\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fgeneral-dynamics-mission-systems-senior-systems-security-engineer-cleared"}]}